#include <bits/stdc++.h>
using namespace std;
int n,cnt;
int a[100005];
const int mxn=100000;
int main(){
	freopen("duel.in","r",stdin);
	freopen("duel.out","w",stdout);
	scanf("%d",&n);
	for (int i=1,x;i<=n;i++){
		scanf("%d",&x);
		a[x]++;
	}
	for (int i=1;i<=mxn;i++){
		cnt=max(cnt,a[i]);
	}
	printf("%d",cnt);
	return 0;
}